<label class="switch">
  <input type="checkbox">
  <span class="slider"></span>
</label>
<style>
/* From Uiverse.io by Voxybuns - Tags: minimalist, switch */
/* The switch - the box around the slider */
.switch {
  /* Variables */
 --switch_width: 2em;
 --switch_height: 1em;
 --thumb_color: #e8e8e8;
 --track_color: #e8e8e8;
 --track_active_color: #888;
 --outline_color: #000;
 font-size: 17px;
 position: relative;
 display: inline-block;
 width: var(--switch_width);
 height: var(--switch_height);
}

/* Hide default HTML checkbox */
.switch input {
 opacity: 0;
 width: 0;
 height: 0;
}

/* The slider */
.slider {
 box-sizing: border-box;
 border: 2px solid var(--outline_color);
 position: absolute;
 cursor: pointer;
 top: 0;
 left: 0;
 right: 0;
 bottom: 0;
 background-color: var(--track_color);
 transition: .15s;
 border-radius: var(--switch_height);
}

.slider:before {
 box-sizing: border-box;
 position: absolute;
 content: "";
 height: var(--switch_height);
 width: var(--switch_height);
 border: 2px solid var(--outline_color);
 border-radius: 100%;
 left: -2px;
 bottom: -2px;
 background-color: var(--thumb_color);
 transform: translateY(-0.2em);
 box-shadow: 0 0.2em 0 var(--outline_color);
 transition: .15s;
}

input:checked + .slider {
 background-color: var(--track_active_color);
}

input:focus-visible + .slider {
 box-shadow: 0 0 0 2px var(--track_active_color);
}

/* Raise thumb when hovered */
input:hover + .slider:before {
 transform: translateY(-0.3em);
 box-shadow: 0 0.3em 0 var(--outline_color);
}

input:checked + .slider:before {
 transform: translateX(calc(var(--switch_width) - var(--switch_height))) translateY(-0.2em);
}

/* Raise thumb when hovered & checked */
input:hover:checked + .slider:before {
 transform: translateX(calc(var(--switch_width) - var(--switch_height))) translateY(-0.3em);
 box-shadow: 0 0.3em 0 var(--outline_color);
}
</style>
